How can I fix Error driver_irql_not_less_or_equal (athwn.sys) Windows 8.1?

[Windows Central Question]

How can I fix Error driver_irql_not_less_or_equal (athwn.sys) windows 8.1

Hello,
while working suddenly screen turns blue with driver_irql_not_less_or_equal (athwn.sys) and starts restarting.
How can i fix this problem?

 

[realwarder]

Re: How can I fix Error driver_irql_not_less_or_equal (athwn.sys) windows 8.1

You can either:
- Go into the Device Manager on your PC, expand Network and click on the Atheros Wifi adaptor and use the Driver tab in the Properties to check for driver updates

or if that doesn't update the driver

- Visit your laptop manufacturer website and check for an updated Wifi driver.